Replaced all awk scripts with perl scripts since it is more likely that
1999-02-18 Martin Baulig <martin@home-of-linux.org> * */*.awk: Replaced all awk scripts with perl scripts since it is more likely that people have a working perl interpreter than GNU awk on their system.
This commit is contained in:
Martin Baulig
committed by
Martin Baulig
Martin Baulig
parent
00f0791ebd
commit
2deb3c30c4
227
lib/lib.pl
Executable file
227
lib/lib.pl
Executable file
@@ -0,0 +1,227 @@
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#!/usr/bin/perl
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$[ = 1; # set array base to 1
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$, = ' '; # set output field separator
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$\ = "\n"; # set output record separator
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sub toupper {
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local($_) = @_;
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tr/a-z/A-Z/;
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return $_;
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}
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sub tolower {
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local($_) = @_;
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tr/A-Z/a-z/;
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return $_;
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}
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print '/* lib.c */';
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print "/* This is a generated file. Please modify `lib.pl' */";
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print '';
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print '#include <glibtop.h>';
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print '#include <glibtop/open.h>';
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print '';
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print '#include <glibtop/sysdeps.h>';
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print '#include <glibtop/union.h>';
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print '';
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print '#include <glibtop/command.h>';
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print '';
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print '/* Some required fields are missing. */';
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print '';
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print 'static void';
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print '_glibtop_missing_feature (glibtop *server, const char *feature,';
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print "\t\t\t const u_int64_t present, u_int64_t *required)";
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print '{';
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print "\tswitch (server->error_method) {";
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print "\tcase GLIBTOP_ERROR_METHOD_WARN_ONCE:";
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print "\t\t*required &= present;";
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print "\tcase GLIBTOP_ERROR_METHOD_WARN:";
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print "\t\tglibtop_warn_r (server,";
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print "\t\t\t\t_(\"glibtop_get_%s (): Client requested \"";
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print "\t\t\t\t \"field mask %05Lx, but only have %05Lx.\"),";
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print "\t\t\t\t feature, required, present);";
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print "\t\tbreak;";
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print "\tcase GLIBTOP_ERROR_METHOD_ABORT:";
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print "\t\tglibtop_error_r (server,";
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print "\t\t\t\t _(\"glibtop_get_%s (): Client requested \"";
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print "\t\t\t\t \"field mask %05x, but only have %05x.\"),";
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print "\t\t\t\t feature, required, present);";
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print "\t\tbreak;";
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print "\t}";
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print '}';
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print '';
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print '/* Library functions. */';
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print '';
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$convert{'long'} = 'int64_t';
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$convert{'ulong'} = 'u_int64_t';
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$convert{'pid_t'} = 'pid_t';
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$convert{'int'} = 'int';
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$convert{'ushort'} = 'unsigned short';
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$convert{'unsigned'} = 'unsigned';
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while (<>) {
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chop; # strip record separator
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if (/^[^#]/) {
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&output($_);
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}
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}
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sub output {
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local($line) = @_;
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@line_fields = split(/\|/, $line, 9999);
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$retval = $line_fields[1];
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$feature = $line_fields[2];
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$param_def = $line_fields[4];
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$orig = $feature;
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$feature =~ s/^@//;
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$space = $feature;
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$space =~ s/./ /g;
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print $retval;
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if ($retval !~ /^void$/) {
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$prefix = 'retval = ';
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$prefix_space = ' ';
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}
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else {
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$prefix = '';
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$prefix_space = '';
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}
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if ($param_def eq 'string') {
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$call_param = ', ' . $line_fields[5];
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$param_decl = ",\n " . $space . ' const char *' .
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$line_fields[5];
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$send_ptr = "\n\tconst void *send_ptr = " . $line_fields[5] . ';';
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$send_size = "\n\tconst size_t send_size =\n\t\tstrlen (" .
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$line_fields[5] . ') + 1;';
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}
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else {
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$call_param = '';
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$param_decl = '';
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$send_size = '';
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$send_ptr = '';
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$nr_params = (@params = split(/:/, $param_def, 9999));
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for ($param = 1; $param <= $nr_params; $param++) {
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$list = $params[$param];
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$type = $params[$param];
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$type =~ s/\(.*//;
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$list =~ s/^.*\(//;
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$list =~ s/\)$//;
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$count = (@fields = split(/,/, $list, 9999));
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for ($field = 1; $field <= $count; $field++) {
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if ($param_decl eq '') {
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$param_decl = ",\n " . $space . ' ';
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}
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else {
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$param_decl = $param_decl . ', ';
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}
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$param_decl = $param_decl . '' . $convert{$type} . ' ' .
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$fields[$field];
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$call_param = $call_param . ', ' . $fields[$field];
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if ($send_ptr eq '') {
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$send_ptr = "\n\tconst void *send_ptr = &" .
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$fields[$field] . ';';
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}
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if ($send_size eq '') {
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$send_size = "\n\tconst size_t send_size =\n\t\t";
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}
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else {
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$send_size = $send_size . ' + ';
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}
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$send_size = $send_size . 'sizeof (' . $fields[$field] . ')';
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}
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}
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if ($send_size ne '') {
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$send_size = $send_size . ';';
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}
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else {
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$send_size = "\n\tconst size_t send_size = 0;";
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}
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if ($send_ptr eq '') {
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$send_ptr = "\n\tconst void *send_ptr = NULL;";
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}
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}
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print 'glibtop_get_' . $feature . '_l (glibtop *server, glibtop_' .
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$feature . ' *buf' . $param_decl . ')';
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print '{' . $send_ptr . '' . $send_size;
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if ($retval !~ /^void$/) {
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print "\t" . $retval . ' retval = (' . $retval . ') 0;';
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}
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print '';
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print "\tglibtop_init_r (&server, (1 << GLIBTOP_SYSDEPS_" .
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&toupper($feature) . '), 0);';
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print '';
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print "\t/* If neccessary, we ask the server for the requested";
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print "\t * feature. If not, we call the sysdeps function. */";
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print '';
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print "\tif ((server->flags & _GLIBTOP_INIT_STATE_SERVER) &&";
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print "\t (server->features & (1 << GLIBTOP_SYSDEPS_" .
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&toupper($feature) . ')))';
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print "\t{";
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print "\t\t" . $prefix . 'glibtop_call_l (server, GLIBTOP_CMND_' .
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&toupper($feature) . ',';
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print "\t\t\t\t" . $prefix_space . 'send_size, send_ptr,';
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print "\t\t\t\t" . $prefix_space . 'sizeof (glibtop_' . $feature .
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'), buf);';
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print "\t} else {";
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if ($orig !~ /^@/) {
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print '#if (!GLIBTOP_SUID_' . &toupper($feature) . ')';
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}
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print "\t\t" . $prefix . 'glibtop_get_' . $feature . '_s (server, buf' .
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$call_param . ');';
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if ($orig !~ /^@/) {
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print '#else';
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print "\t\terrno = ENOSYS;";
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print "\t\tglibtop_error_io_r (server, \"glibtop_get_" . $feature .
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"\");";
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print '#endif';
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}
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print "\t}";
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print '';
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print "\t/* Make sure that all required fields are present. */";
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print '';
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print "\tif (buf->flags & server->required." . $feature . ')';
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print "\t\t_glibtop_missing_feature (server, \"" . $feature .
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"\", buf->flags,";
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print "\t\t\t\t\t &server->required." . $feature . ');';
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if ($retval !~ /^void$/) {
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print "\n\t/* Now we can return. */";
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print "\n\treturn retval;";
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}
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print '}';
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print '';
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}
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